Difference between revisions of "Mamiya Seiichi"
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== Further reading == | == Further reading == | ||
In Japanese: | In Japanese: | ||
− | *Mamiya Seiichi, | + | * Mamiya Seiichi (間宮精一), "Wakaki gijutsusha no tame ni: Kamera gijutsusha no keiken kara" (若き技術者のために・カメラ技術者の経験から, For young engineers: From experienced camera engineers). {{ACA}} (アサヒカメラ) July 1951, pp. 87-89. |
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==Links== | ==Links== |
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Seiichi Mamiya in 1951 Image in Asahi Camera (アサヒカメラ) July 1951, p. 88 Image by rebollo_fr. (Image rights) (Image rights) |
Seiichi Mamiya (間宮精一) (•17 Jan 1899 †6 Jan 1989) was Japanese inventor and camera designer. Together with the investor Tsunejiro Sugawara Mamiya founded the Mamiya Kōki Seisakusho (マミヤ光機製作所, Mamiya Optical Works). Tsunejiro Sugawara beame President of the Company,[1] while Seiichi Mamiya served as 'Chief Engineer' until his retirement in December 1954 and then as adviser.[2]
Contents
Camera Designs by Seiichi Mamiya
- Mamiya Six (1940)
- Mamiya 16 (1955)
- Mamiyaflex
- Mamiya RB67 (1970)
Patents
The following patents are filed by him or under his name:
Date filed | Date granted | Country | Patent nº | Patent Title | Relates to Camera Model |
1929, 17 Apr | 1930, 20 Mar | UK | GB326688 | Improvements In Or Relating To Photographic Cameras.[3] | Never produced |
1939, 1 Jul | 1940, 5 Oct | Japan | 294734 | NEED JAPANESE AND ENGLISH TITLE[4] | Mamiya Six |
? | 1941, 22 Dec | UK | GB542016 | Improvements In And Relating To Focusing Devices For Portable Photographic Cameras. | Mamiya Six |
1940, 5 Jun | 1942, 15 Dec | USA | US2305301 | Focussing Device for Portable Photographic Cameras.[5] | Mamiya Six |
1940, 11 Oct | 1941, 15, Aug | Japan | 146741 | NEED JAPANESE AND ENGLISH TITLE[6] | Mamiya Six |
1955, 12 May | 1957, 8 Oct | USA | US2808770 | Camera rangefinder[7] | Mamiya Six |
1955, 12 May | 1958, 27 May | USA | US2836109A | Film winding and shutter setting mechanism for a camera | Mamiya 16 |
1955, 20 Jun | 1958, 24 Jun | USA | US2839976 | Mechanism for setting shutter by film-winding operation in rollfilm camera[8] | Mamiya Six |
1966, 20 Jan | 1968, 27 Aug | USA | US3398666A | Camera Focus Adjusting Mechanism | Mamiya RB67 |
Further reading
In Japanese:
- Mamiya Seiichi (間宮精一), "Wakaki gijutsusha no tame ni: Kamera gijutsusha no keiken kara" (若き技術者のために・カメラ技術者の経験から, For young engineers: From experienced camera engineers). Asahi Camera (アサヒカメラ) July 1951, pp. 87-89.
Links
Notes and References
- ↑ Retired June 1966; † April 1988 (Mamiya. A History of Innovation. Mamiya 50th Anniversary. Produced by the Mamiya-History of Innovation Editorial Committee. Bunkyo-ku, Tokyo: Mamiya Camera Co. Ltd. p. 11).
- ↑ Mamiya. A History of Innovation. Mamiya 50th Anniversary. Produced by the Mamiya-History of Innovation Editorial Committee. Bunkyo-ku, Tokyo: Mamiya Camera Co. Ltd. p. 10
- ↑ While the application was successful, the Patent was never granted as Mamiya Seiichi apparently failed to pay the sealing fee.—Patent data
- ↑ Japanese utility model publication (実用新案出現広告) no.S15-14673 of utility model (実用新案) no.294734, applied for (出現) on Jul. 1, 1939 and published (公告) on Oct. 5, 1940
- ↑ Patent application by Seiichi Mamiya, Ohita, Takata-Gun, Japan.
- ↑ Japanese patent publication (特許出現広告) no.S16-4067 of patent (特許) no.146741
- ↑ Patent application by Seiichi Mamiya, Bunkyo-Ku, Tokyo-to, Japan.
- ↑ Patent application by Seiichi Mamiya, Bunkyo-Ku, Tokyo-to, Japan.